How to set the lighting of Sanwei's house obliquely?

this is how Sanwei's house lights obliquely.

1. Sanwei's installation of the laminated lamp requires the manufacturer to set the laminated lamp in the background of the system.

2. Or find the lighting function in the decoration tool and find the corresponding light strip inside.

3. Then drag it to the position where you need to install the laminated lamp, and just adjust the position accurately.